package com.mvwchina.common.utils;

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.beanutils.BeanUtils;
import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

@Slf4j
public class BeanMapConvertUtil {

	public static  Map<String, Object> beanToMap(Object bean){
		 if(bean == null){  
	            return null;  
	        }          
	        Map<String, Object> map = new HashMap<String, Object>();  
	        try {  
	            BeanInfo beanInfo = Introspector.getBeanInfo(bean.getClass());  
	            PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();  
	            for (PropertyDescriptor property : propertyDescriptors) {  
	                String key = property.getName();  
	  
	                // 过滤class属性  
	                if (!key.equals("class")) {  
	                    // 得到property对应的getter方法  
	                    Method getter = property.getReadMethod();  
	                    Object value = getter.invoke(bean);  
	                    map.put(key, value);  
	                }  
	  
	            }  
	        } catch (Exception e) {  
	            System.out.println("transBean2Map Error " + e);  
	        }  
	  
	        return map;  
	}
	
	public static <T> T mapToBean(Map<String, Object> map, T bean){
		try {
			BeanUtils.populate(bean, map);
		} catch (IllegalAccessException | InvocationTargetException e) {
			log.error("转换异常",e.fillInStackTrace());
		}
		return bean;		
	}
}
